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Friday, 2 January 2015

Starting from the ground, geology; his interest surfaced the sky ending him discovering Stratosphere & Troposphere; founding aerology!!!





Léon Philippe Teisserenc de Bort (November 5, 1855 in Paris, France – January 2, 1913 in Cannes, France) was a French meteorologist and a pioneer in the field of aerology. Together with Richard Assmann (1845-1918), he is credited as co-discoverer of the stratosphere, as both men announced their discovery during the same time period in 1902. Teisserenc de Bort pioneered the use of unmanned instrumented balloons and was the first to identify the region in the atmosphere around 8-17 kilometers of height where the lapse rate reaches zero, known today as the tropopause.
The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapour and aerosols.
The stratosphere is the second major layer of Earth's atmosphere, just above the troposphere, and below the mesosphere.